#define   _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>
int main()
{
    int n = 0;
    while (scanf("%d", &n) != EOF)
    {
        int i = 0;
        int j = 0;
        for (int i = 0; i < n; i++)
        {
            for (int j = 1; j <= i + 1; j++)
            {
                printf("%d ", j);
            }
            printf("\n");
        }
    }
    return 0;
}